From a98d363d9dc87f0c06b88b1cf8d75f10a4feef29 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Martin=20Povi=C5=A1er?= <povik@cutebit.org>
Date: Thu, 8 Feb 2024 00:03:02 +0100
Subject: [PATCH 1/2] synth: Run script in full in help mode
---
techlibs/common/synth.cc | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/techlibs/common/synth.cc b/techlibs/common/synth.cc
index 006a3c8dd..b01c5e56c 100644
--- a/techlibs/common/synth.cc
+++ b/techlibs/common/synth.cc
@@ -230,13 +230,13 @@ struct SynthPass : public ScriptPass {
if (check_label("coarse")) {
run("proc");
- if (help_mode || flatten)
+ if (flatten || help_mode)
run("flatten", " (if -flatten)");
run("opt_expr");
run("opt_clean");
run("check");
run("opt -nodffe -nosdff");
- if (!nofsm)
+ if (!nofsm || help_mode)
run("fsm" + fsm_opts, " (unless -nofsm)");
run("opt");
run("wreduce");
@@ -246,8 +246,8 @@ struct SynthPass : public ScriptPass {
run("techmap -map +/cmp2lut.v -map +/cmp2lcu.v", " (if -lut)");
else if (lut)
run(stringf("techmap -map +/cmp2lut.v -map +/cmp2lcu.v -D LUT_WIDTH=%d", lut));
- if (booth)
- run("booth");
+ if (booth || help_mode)
+ run("booth", " (if -booth)");
if (!noalumacc)
run("alumacc", " (unless -noalumacc)");
if (!noshare)
@@ -274,7 +274,7 @@ struct SynthPass : public ScriptPass {
}
run("opt -fast");
- if (!noabc && !flowmap) {
+ if ((!noabc && !flowmap) || help_mode) {
#ifdef YOSYS_ENABLE_ABC
if (help_mode) {
run(abc + " -fast", " (unless -noabc, unless -lut)");
From 7a3316dd78f891a8fd919edf5484583df9152c43 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Martin=20Povi=C5=A1er?= <povik@cutebit.org>
Date: Thu, 8 Feb 2024 00:03:15 +0100
Subject: [PATCH 2/2] synth: Tweak phrasing of `-booth` help
---
techlibs/common/synth.cc | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/techlibs/common/synth.cc b/techlibs/common/synth.cc
index b01c5e56c..e5013678a 100644
--- a/techlibs/common/synth.cc
+++ b/techlibs/common/synth.cc
@@ -60,7 +60,7 @@ struct SynthPass : public ScriptPass {
log(" do not run abc (as if yosys was compiled without ABC support)\n");
log("\n");
log(" -booth\n");
- log(" run the booth pass to convert $mul to Booth encoded multipliers");
+ log(" run the booth pass to map $mul to Booth encoded multipliers\n");
log("\n");
log(" -noalumacc\n");
log(" do not run 'alumacc' pass. i.e. keep arithmetic operators in\n");